Unified Medical Language System® (UMLS®)
2011AB FDA National Drug Code Directory Source Information
|Source||Number of shared concepts
out of 20526 from MTHFDA_2011_06_01
- Source overlap provides a high level comparison of content and meaning between the reported source and other sources in the Metathesaurus.
- The report displays source overlap of 1% or greater.
- Number of shared concepts: number of concepts that contain at least one atom from each of two compared sources.
- Percentage Overlap: percentage of shared concepts relative to the total number of concepts for this source.